Изменение значений по умолчанию

Листинг 4.9. Изменение значений по умолчанию

Doktown=# ALTER TABLE books

3oktOwn-# ALTER COLUMN id

x>
ktown-# SET DEFAULT nextvalС books.ids'):

JER

}oktown=# \d books

TABLE "books" Attribute | Type | Modifier

id integer not null default nextval('books.ids'::text)

1tle | text not null

juthorjd | integer ;ubject_id | integer j idex: books_id_pkey

)oktown=# ALTER TABLE books )oktown-# ALTER id

)oktown-# DROP DEFAULT;

JER

joktown=# \d books

TABLE "books" Attribute | Type | Modifier

id | integer | not null

;itle | text not null

iuthor_id j integer ;ubject_id j integer idex: books_id_pkey